Study provides methods for protecting leatherback turtlesJuly 15th, 2008 - 1:28 pm ICT by ANI
Washington, July 15 (ANI): A team of marine biologists have carried out the largest study to date on leatherback turtles, unveiling the turtles behavior, and in doing so, providing methods that could be used to protect them.
Not much is known about the worlds largest living turtle, the leatherback. So-called for its tough, oily skin and lack of a hard shell, the behavior and habitats of this critically endangered turtle have remained a mystery.
Now, marine biologist Barbara Block and colleagues give us the largest study to date on leatherback turtles.
The authors tagged the turtles at a major nesting ground at in Costa Rica, then tracked 46 female leatherbacks from 2004 to 2007, showing their habits and migration routes in the Eastern Pacific over the course of three years.
Block and her team found that after nesting, the turtles headed south into the open ocean in search of food.
After passing the warm waters of the equator, where the turtles responded to strong ocean currents with rapid, directed movements to maintain their southern route, they continued on to the low-energy and low-productivity region of the south waters.
Here, the authors revealed that the turtles succumbed to the physical forces of the ocean, as the oceans currents influenced their migration routes.
From the study, the authors were able to identify to specific high-use areas that the turtles occupy.
The leatherback turtle population in the Eastern Pacific has declined by 90% in the past two decades.
Leatherbacks begin life as eggs on the beach and are subject to predation the minute they hatch and attempt to crawl to the ocean.
From birth through adolescence, they are vulnerable to birds and other sea creatures. By the time they are full-grown, however, leatherbacks dont face many threats from predators.
Those that do make it to adulthood have one major concern: humans.
The massive decrease in the leatherback population is due in large part to fisheries turtles get caught as bycatch in long-line fishing nets meant for other sea creatures.
In organizing a multi-national study over several years is no easy feat, and in charting the patterns, behaviors and migration paths of leatherback turtles, Block and her teram shed light on these mysterious sea creatures.
This new information will help existing multinational conservation programs identify regions in the migration corridor that will benefit from immediate conservation action, including improved monitoring to help leatherbacks steer clear of them on their journeys and regulation of long-line fishing to prevent the leatherbacks from becoming even more endangered, and ultimately set them on the path to recovery. (ANI)
- Climate change threatens largest sea turtles - Jul 02, 2012
- Study On Deep Sea Turtles Show Interesting Results - Jan 20, 2011
- Scientists to track journeys of two marine turtles around world's oceans - Dec 24, 2009
- Mexico says 42 mn turtles born in 2010-11 nesting season - Dec 22, 2011
- 300 bits of plastic found inside dead turtle - Jul 01, 2011
- Commercial fishing killed millions of sea turtles - Apr 07, 2010
- 10 held for fishing near turtle nesting site - Jan 08, 2011
- Ambitious project to lift a generation of sea turtles out of oil spill's way - Jul 06, 2010
- Orissa bans fishing near turtle nesting sites - Nov 01, 2011
- Olive Ridleys may delay mass nesting at Odisha beach - Feb 03, 2012
- World's largest leatherback turtle habitat identified - May 18, 2009
- Sea turtle hatchlings rescued from oil spill released into the Atlantic Ocean - Aug 03, 2010
- As rare Olive Ridleys mate, Orissa mounts vigil - Dec 21, 2010
- Wildlife institute to monitor Olive Ridley Turtles in Orissa - Jun 09, 2010
- Epic ocean-spanning journeys of gigantic leatherback turtles revealed - Jan 05, 2011
Tags: equator, largest living turtle, leatherback, leatherback population, leatherback turtle, leatherback turtles, leatherbacks, low energy, marine biologist, marine biologists, massive decrease, migration routes, nesting ground, ocean currents, oily skin, open ocean, sea creatures, south waters, turtle population, warm waters